Heavy Duty Equipment Technician Red Seal Exam Prep · Question
Which of the following pump types is generally preferred for applications requiring high pressures, high efficiency, and variable displacement, such as in large excavators or heavy-duty drilling rigs?
Axial piston pumps are known for their high volumetric and overall efficiency, ability to operate at very high pressures (up to 40,000 kPa or more), and inheren
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Question: Which of the following pump types is generally preferred for applications requiring high pressures, high efficiency, and variable displacement, such as in large excavators or heavy-duty drilling rigs?
Answer options: ✅ Axial piston pump
- External gear pump
- Internal gear pump
- Vane pump
Correct answer: Axial piston pump
Explanation: Axial piston pumps are known for their high volumetric and overall efficiency, ability to operate at very high pressures (up to 40,000 kPa or more), and inherent design flexibility for variable displacement control, making them ideal for demanding heavy-duty applications. Gear and vane pumps are typically lower pressure and fixed displacement.
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